comedk dental
Post on 04-Apr-2018
230 Views
Preview:
TRANSCRIPT
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 1/22
192 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
192
COMEDK 2011
8
ANATOMY
1. All of the following canals open on theposterior wall of the pterygo palatine fossa
EXCEPTA. Greater palatine canalB. Foramen RotundumC. Pterygoid canalD. Palatovaginal canal
2. Ultimobronchial body forms
A. ‘C’ cells of thyroid glandB. Principal cells of parathyroid glandC. Acidophils of pituitary glandD. Pituicytes of pituitary gland
3. Openings of the posterior alveolar canals
are seen onA. Posterior maxillary surfaceB. Lateral maxillary surfaceC. Intra temporal surfaceD. Pterygo palatine fossa
4. Hypoglossal nerve supplies all the musclesEXCEPT
A. StyloglossusB. StylopharyngiusC. PalatoglossusD. Genioglossus
5. One of the following nerve is the motor
nerve for occipital belly of occipitofrontalisA. Great auricularB. Lesser occipitalC. Third occipitalD. Posterior auricular
6. Infection from the dangerous area of facespreads via one of the following veins
A. Maxillary veinB. Retromandibular vein
C. Superficial temporal veinD. Ophthalmic veins
PHYSIOLOGY
7. In a nerve, the magnitude of the actionpotential overshoot is normally a functionof the
A. Magnitude of the stimulusB. Intracellular potassium concentrationC. Extracellular sodium concentrationD. Resting membrane potential
8. Contraction in smooth muscle is initiatedwhen calcium binds to
A. CalbindinB. CalmodulinC. TroponinD. Tropomyosin
9. Non – myelinated axons differ frommyelinated ones in that they
A. Are more excitableB. Lack nodes of RanvierC. Are not capable of renerationD. Are not associated with Schwann cells
10. All the following hormones bind to cellsurface receptors of the target tissuesEXCEPT
A. Thyroid stimulating hormoneB. GlucagonC. EstrogenD. Epinephrine
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 2/22
193COMEDK 2011
C OME D K 2 0 1 1
BIOCHEMISTRY
11. Ehrlich test is done to detect
A. BilirubinB. UrobilinogenC. Bile saltsD. Protein
12. Plasma Ceruloplasmin is a
A. Alpha 1 globulinB. Alpha 2 globulinC. Beta 1 globulinD. Beta 2 globulin
13. An example of a isotope that ispredominantly a beta emitter is
A. 125 IodineB. 32 PhosphorusC. 51 ChromiumD. 99 m Technetium
14. The nitrogen content in 50 gm of a typicaldietary protein is most likely to be
A. 5 gmB. 8 gmC. 10 gmD. 16 gm
GENRAL PATHOLOGY
15. Sarcoidosis is
A. Uncommon in Afro – CaribbeanB. Less common in smokersC. Seen in temperature climateD. Single system disorder
16. Ubiquitin is involved in
A. Intracellular proteolysisB. Electron transport chainC. Transport of ATP
D. Protein folding17. Durck granule’s are seen in
A. BerylliosisB. SarcoidosisC. TuberculosisD. Malaria
18. Phagocytes kill bacteria through which
mechanismsA. Membrane attack complex killingB. Oxidative and Non – oxidative killingC. Zipper killingD. Chemotaxis
MICROBIOLOGY
19. A full course of immunization against,Tetanus with 3 doses of Tetranus toxoids,confers immunity for how many years
A. 5B. 10
C. 15D. 20
20. Pseudomonas aeruginosa
A. Produces heat stable enterotoxinB. Causes Shanghai feverC. Cannot be destroyed at 55º at 1 hrD. Does not produce any pigment
21. Injection abscesses due to use ofcontaminated vaccines occurs in infectionscaused by
A. M. kansasii
B. M. ulceransC. M. chelonaeD. M. smegmatis
22. The most frequent non sporing anaerobicbacilli isolated from clinical specimens is
A. Bacteroides fragilisB. Bacteroides vulgatusC. Prevotella melaninogenicaD. Fusobacterium nucleatum
23. Anaphylaxis refers to the
A. Severe reaction followings reinjection of protein solutions in a sensitizedindividual
B. Severe reaction followings primaryinjection of protein solutions
C. State of immunity developed byrepeated injection of any foreignsubstance
D. Severe reaction resulting fromsensitivity to common allergens
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 3/22
194 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
PHARMACOLOGY
24. Which among the following is used as animmunosuppressant
A. CyclosporineB. CycloserineC. CyclopentolateD. Cyclizinc
25. Which of the following Anti Tuberculardrug is bacteriostatic
A. INHB. EthambutolC. Pyrazenamide
D. Streptomycin
26. Among the drugs given below, which isLEAST likely to be implicated in druginduced hepatitis
A. IsoniazidB. StreptomycinC. RipampicinD. Pyrazinamide
27. Daily loss of iron per day in a healthy adultmale is
A. 0.06 mg
B. 0.6 mgC. 60 mgD. 600 mg
28. Which among the following drugs is NOTused orally?
A. QuinidineB. VerapamilC. LignocaineD. Phenytoin
29. Which among the drugs given below, doesNOT act by protease inhibition?
A. RitonavirB. SaquinavirC. NelfinavirD. Zanamivir
30. All of the given drugs are positive
inotropes EXCEPTA. DopamineB. DobutamineC. DigoxinD. Doxepin
31. During the cell cycle, Colchicine is knownto act in
A. G1 phaseB. S phaseC. G2 phaseD. M phase
32. The use of vasoconstrictors adrenalinenoradrenaline with LA is contraindicatedin patients on
A. Antiepileptic drugsB. Antihypertensive drugsC. Tricyclic antidepressant drugsD. Anxiolytic drugs
GENERAL MEDICINE
33. In Troisiers sign the lymph nodes involvedare
A. Right axillary nodes
B. Left axillary nodesC. Right supraclavicular nodesD. Left supraclavicular nodes
34. Salivary protein which preventstransmission of human immunodeficiencyvirus via saliva is
A. SialoperoxidaseB. Secretory IgAC. Salivary leukocyte proteinase inhibitorD. Histidine rich proteins
35. Oral ulceration resembling Apthae areencountered in
A. Gluten EnteropathyB. Chronic SmokersC. Excess of B – ComplexD. Anti – malarial medication
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 4/22
195COMEDK 2011
C OME D K 2 0 1 1
36. Acute rheumatic fever usually follows an
infection withA. Streptococcus mutansB. Streptococcus pyogenesC. Streptococcus pneumoniaD. Streptococcus viridians
37. Which is a DNA virus
A. Hepatitis A virusB. Hepatitis B virusC. Hepatitis C virusD. Hepatitis D virus
38. Warthin – Finkeldey multinucleated giant
cell is diagnostic ofA. TuberuculosisB. MumpsC. MeaslesD. Sarcoidosis
39. Treatment of Torsades de pointes isintravenous
A. MagnesiumB. Sodium bicarbonateC. SalineD. Glucose
40. Squamous metaplasia in the respiratory
epithelium is induced by deficiency ofA. Vitamin DB. Vitamin BC. Vitamin AD. Vitamin C
41. Which among the following is the drug ofchoice for Clostridium difficile – inducedcolitis?
A. GentamicinB. CiprofloxacinC. MetronidazoleD. Linezolid
42. The syndrome is usually associated with
A. Congenital heart lesionsB. Respiratory disordersC. Endo cranal abnormalitiesD. Cleft lip and Palate
43. Following dental problem are usually
association with it, EXCEPTA. Retarded eruptionB. Late shedding of deciduous teethC. HypodontiaD. Microdentia
44. Among the different types of denturestomatitis diagnosis of candida –associated denture stomatitis is confirmedby
A. Based on clinical featuresB. Based on intensity of erythematous
lesions
C. By finding mycelia or pseudohyphae ina direct smear or isolation of candida inhigh numbers
D. By examining the existing dentures
45. In the management of candida – denturestomatitis the following is used
A. Chlorhexidine 2%B. BetadineC. Gention violetD. Local therapy with nystatin or
amphotericin B
46. Increased levels of hemoglobin A2 ischaracteristic of
A. Sickle cell triatB. α Thalassemia minorC. Glucose – 6 – phosphate dehydrogenase
deficiencyD. β–thalassemia
47. Which one of the following is indicativeof cardiac tamponade
A. Pulsus paradoxusB. Wide pulse pressureC. Kussmaul’s sign
D. Forceful apical impulse
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 5/22
196 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
GENERAL SURGERY
48. All the following nerves are encounteredduring submandibular gland resectionEXCEPT
A. Lingual nerveB. Hypoglossal nerveC. Accessory nerveD. Marginal mandibular nerve
49. Malignant ulcer is differentiated fromBenign by
A. Heaping up of marginsB. Fibrous scars radiating from crater
C. Induration of baseD. Clean base
50. Which of the following statement is trueregarding thyroglobulin?
A. It is a specific marker for anaplasticcarcinoma
B. Elevation after complete therapysuggests recurrence in welldifferentiated thyroid malignancies
C. Pre op elevation always suggeststhyroidal disease
D. Intra op estimation from thyroid veins
is very useful for prognosis
DENTAL MATERIALS
51. The safest method for soaking dental castis
A. Placing in a saturated solution of calcium sulfate
B. Placing in waterC. Placing in saturated solution of sodium
chlorideD. Placing in solution of gypsum slurry
52. Electralloy R B is alloy of gold andA. CarbonB. PlatinumC. CalciumD. Palladium
53. The best pickling solution for gypsum
banded investmentsA. Hydrochloric acidB. Nitric acidC. Sulphuric acidD. Phosphoric acid
54. The most practical method for avoidingany possible delayed distortion of the waxpattern is to
A. Use of heated instruments duringcarving of the wax pattern
B. Invest the wax pattern immediatelyC. Swaging the wax pattern in a closed
vesselD. Applying finger pressure during cooling
of the wax
55. Materials that facilitates removal ofimpression from cast is
A. RosinB. StarchC. Sodium chlorideD. Borates
56. ADA specification number for gypsumproducts are described under
A. 1B. 4C. 12D. 25
57. Frozen slab technique is applicable to
A. Zinc phosphate cementB. Glass consumer cementC. Zinc oxide eugenol cementD. Resin cement
58. The material used to outline the area to besoldered in order to restrict the flow ofsolder is called
A. AntifluxB. FluxC. SolderingD. Welding
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 6/22
197COMEDK 2011
C OME D K 2 0 1 1
DADH
59. Nerve endings of temporomandibularjoint, confined to ligaments associatedwith the joint
A. Ruffini corpusclesB. Pacini corpusclesC. Golgi tendon organsD. Free nerve endings
60. Mucous membrane on the buccal aspect ofthe upper alveolar process is innervated bybuccal nerve and
A. Superior Alveolar Nerve
B. Mental NerveC. Interior Alveolar NerveD. Greater Palatine Nerve
61. The intimal B cells of synovial membraneof temporomandibular joint are
A. Fibroblast likeB. Macrophage likeC. Lymphocyte likeD. Plasma cell like
62. The maximum rate of eruption, as the toothcusps reach the surface epithelium is
around _______ μm/dayA. 100B. 75C. 50D. 25
63. Striae of Retzius
A. Are not found in permanent teethB. Represents the daily growth rate of
enamelC. Results from temporary constriction of
Tomes’ processD. Has more number of crystals
64. In a dried skull, holes on the lingualaspects of the deciduous teeth are called
A. Volkmann canalsB. Canals of Hirschfield and ZuckerkandlC. Haversian canalsD. Gubernacular canals
65. Successor permanent teeth develop from
A. Buccal extension of Dental laminaB. Lingual extension of Dental laminaC. Distal extension of Dental laminaD. Main or parent Dental lamina
ORAL PATHOLOGY AND
ORAL MEDICINE
66. ‘Denture sore mouth’ are also known as
A. Acute psuedomembranous candidiasisB. Acute atrophic candidiasisC. Chronic atrophic candidiasisD. Chronic hyperplastic candidasis
67. Multiple pulp stones are seen in
A. Down’s syndromeB. Ehler’s Dahlos syndromeC. Marfan SyndromeD. Apert’s syndrome
68. A positive Chvostek’s sign is suggestive of
A. HypercalcemiaB. HypocalcemiaC. HyperkalemiaD. Acidosis
69. Sinusitis may cause referred pain inA. Maxillary anterior teethB. Maxillary posterior teethC. Mandibular anterior teethD. Mandibular posterior teeth
70. Intake of which of the following leads toincreased incidence of dry socket
A. AntihypertensivesB. AntiepilepticsC. Oral hypoglycemicD. Oral contraceptives
71. Rushton bodies are seen in
A. Calcifying odontogenic cystB. Gingival cyst of adultsC. Gingival cyst of new bornD. Lateral periodontal cyst
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 7/22
198 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
72. Kveim Siltzbach test is useful in the
diagnosis ofA. TuberculosisB. SarcoidosisC. LeprosyD. Cat scratch disease
73. Thrombocytopenia due to increasedplatelet destruction is seen in
A. Aplastic anemiaB. Cancer chemotherapyC. Acute leukemiaD. Systemic lupus erythematosus
74. Von willibrand’s disease is due to theA. Deficiency of factor X and factor IVB. Deficiency of factor XII and factor IXC. Deficiency of factor VII and decreased
platelet adhesionD. Deficiency of factor X and factor V
75. Neo Natal teeth erupt at
A. At birthB. In first 30 daysC. In first WeekD. In first 2 Week
76. Which of these is NOT a pre – malignant
condition for oral cancersA. LeukoplakiaB. Apthous ulcersC. ErythroplekiaD. Submucous fibrosis
77. Frey’s syndrome is caused due to the injuryof
A. Lesser occipital nerveB. Auriculo temporal nerveC. Supra trochlear nerveD. Infra orbital nerve
78. Aspirate which is creamy white viscoidwith the value of total protein less than5.0 gms/ 100 ml is suggestive of
A. Infected cystB. Dentigerous cystC. Odontogenic KeratocystD. Ranula
79. Mucocutaneous lesion associated with
neoplasiaA. Pemphigus vegetansB. ParapemphigusC. Paraneoplastic pemphigusD. Familial benign pemphigus
80. The above mentioned condition is
A. Inherited Autosomal dominant diseaseB. Autosomal recessive disorderC. X – linked diseaseD. A syndrome of unknown cause
81. One of the following is also a manifesta-
tion in the above mentioned conditionA. Café – au – lait pigmentation of the skinB. Multiple epidermoid or sebaceous cyst
of the skinC. Basal cell carcinoma of the skinD. Peri oral dermatitis
82. Multiple impacted teeth as seen inGardener’s syndrome may also is seen inone of the following
A. Multiple polyposis of large intestineB. Osteomas of the jawsC. Desmoids tumors of the skin
D. Epidermal and trichilemmal cysts83. Multiple impacted teeth as seen in
Gardener’s syndrome may also is seen inone of the following
A. Tricho – dento – osseous syndromeB. Hereditary intestinal polyposisC. Cowden’s syndromeD. Rubinstein – Taybi syndrome
84. What is this clinical situation called as
A. Epuli fissuratumB. Traumatic ulcersC. Denture irritational hyperplasiaD. Denture stomatitis
85. One of the following syndromes isassociated with Lichen Planus
A. Grinspan’s syndromeB. Ellis – van Creveld syndromeC. Patterson Kelly syndromeD. Fanconi’s syndrome
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 8/22
199COMEDK 2011
C OME D K 2 0 1 1
86. What would be your choice of next
investigationA. Excision biopsyB. Aspiration CytologyC. CT ScanD. PET Bone scan
87. A dirty white aspirate with a proteinestimation of < 4 gm % is suggestive of
A. Ossigfying fibromaB. Dentigerous cystC. Muco – epidermoid carcinomaD. Odontogenic Keratocyst
88. Odontogenic Keratocyst is noted for itsA. Malignant transformationB. Daughter cysts and high rate of
recurrenceC. Impacted teethD. Nodal metastasis
89. Management of Odontogenic keratocystinvolves
A. MarsuplisationB. EnucleationC. Enucleation with periphereal ostectomyD. Resection and Radiation
90. Pathogenesis of diphtheria is attributed toA. InvasionB. EndotoxinC. ExotoxinD. Capsule
91. Most common salivary gland tumor arisingin the jaws
A. Pleomorphic adenomaB. Adenoid cystic carcinomaC. Mucoepidermoid carcinomaD. Acinic cell carcinoma
92. Which among the following is NOT acommon feature of trigeminal neuralgia
A. Usually affecting the middle aged andelderly
B. Sharp, stabbing pain lasting seconds
C. The most common sites involved are the
mandibular canine and maxillary canineareas
D. Pain usually crossing the midline of theface
93. One of the systemic factors predisposingto candida – associated denture stomatitisis
A. Nutritional deficienciesB. HypertentionC. HIVD. Systemic lupus erythematosis
94. The whitish striations in Lichen Planus arecalled
A. Striae of RetziusB. Wickham’s striationsC. Step ladder striationsD. Linea alba buccalis
95. The following are different clinical formsof Lichen Planus EXCEPT
A. Atrophic Lichen PlanusB. Hypertrophic Lichen PlanusC. Bullous Lichen PlanusD. Verrucous Lichen planus
96. What clinical features suggest that thedischarge is CSF Leak
A. Continuous dischargeB. Appearance of tram line or halo ringsC. Stoppage of discharge on pressureD. None of the above
97. What investigation is most confirmatoryfor detecting CSF leak
A. CT scanB. MRI ScanC. Presence of Glucose in the FluidD. Presence of transferrin beta
ORAL RADIOLOGY
98. Digital image in computerized Radio-graphy is made up of
A. PixelsB. CCDC. CMOSD. Silver halide crystals
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 9/22
200 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
99. Deterministic effects of radiation are those
effects in which the severity of responseA. Is proportional to the doseB. Is determined by the operatorC. Depends on composition of tissueD. Depends on volume of exposed tissue
100. Which of the following interactions doesnot cause film fog
A. Coherent scatteringB. Transient scatteringC. Photoelectric absorptionD. Compton scattering
101. Cervical burnout is a phenomenon causedby decreased X – ray absorption in thecervical region of
A. Teeth with proximal cariesB. Normal teethC. Teeth with root cariesD. Hypoplastic teeth
102. Following organ is LEAST radiosensitiveto the effects of exposure to radiation
A. TestisB. Bone marrowC. Muscle
D. Intestine103. “Sharpened pencil” appearance of
mandibular condyle on a radiographindicates
A. OsteoarthritisB. Rheumatoid arthritisC. Infectious arthritisD. Juvenile arthrosis
104. Compared with calcium tungstate screens,rare earth screens decrease patientexposure by about
A. 15%B. 35%C. 55%D. 75%
105. The minimum amount of tooth deminera-lization required for radiographicdetection of dental caries is
A. 20%
B. 40%
C. 60%D. 80%
ORTHODONTICS
106. Clock wise rotation refers to Mandibularrotation
A. Downward and posteriorlyB. Downward and anteriorlyC. Upward and anteriorlyD. Upward and posteriorly
107. Mobility of teeth in carcinoma of Maxillary
sinus is due to involvement by tumor ofA. Anterior wall of the sinusB. Posterior wall of the sinusC. Roof of the sinusD. Floor of the sinus
108. When protraction headgear was used, mostof the orthopedic changes are observedwithin the first ______
A. 1 monthB. 3–4 monthsC. 8–10 monthsD. 1 years
109. Who proposed the ‘Nasal Septum theoryof craniofacial growth
A. MossB. SicherC. Vander LindenD. Lathan
110. Quad helix is used to correct
A. Posterior cross biteB. Anterior cross biteC. Lateral open biteD. Deep bite
111. Schubiger attachment has a screw basecommon to the
A. Introfix attachmentB. Quintivan attachmentC. C shaped ringD. Gerber attachment
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 10/22
201COMEDK 2011
C OME D K 2 0 1 1
112. Which of the following surgical procedures
aid in prevention of Relapse?A. Sagittal split techniqueB. AlveoloplastyC. Segmental OsteotomyD. Circumferential Supracrestal Fibrotomy
PEDODONTICS
113. When vertical cephalometric analysisreveals increase in the skeletal componentsof anterior face height, it is termed
A. ApertognathiaB. Brachygnathia
C. LeptognathiaD. Mesognathia
114. The window of infectivity during whichmost children acquire the cariogenicorganism
A. 19 months to 33 monthsB. 19 weeks to 33 weeksC. 29 months to 39 monthsD. 29 weeks to 39 weeks
115. The tendency for drifting of posterior teethinto extraction space is more in
A. MandibleB. MaxillaC. Maxilla and MandibleD. Primary than Permanent teeth
116. Sorbitol acts in the prevention of dentalcaries by
A. Microorganisms lack the enzyme tometabolize sorbitol
B. Lactic acid cannot be producedC. Fermentation of sorbitol does not occurD. Sorbitol is not a carbohydrate
117. In case of deep carious lesion incomplete
debridement is done to
A. Allow secondary dentin formation firstB. To seal the cavity and create aseptic fieldC. Prevent pulp exposure and allow a thin
layer of a dentin to remainD. Avoid microleakage
118. Occult disease refer to disease that
A. Is very apparentB. Does not occur at allC. Presents no clinical sign or symptomD. Does not show any image on X – ray
119. “Guidance to Eruption” is another term for
A. Frankel’s applianceB. ActivatorC. Serial ExtractionD. Bionator
120. The first macroscopic development occursat approximately
A. 8 weeks in uteroB. 10 weeks in uteroC. 11 weeks in uteroD. 13 weeks in utero
121. Who developed the complete pulpectomytechnique for primary molars
A. PinkhamB. StarkeyC. Mc DonaldD. Finn
122. Joseph Wolpe developed the followingbehavior management techniques
A. ModelingB. Tell – Show – DoC. DesensitizationD. Voice Control
123. During development of speech function,the first speech sounds acquired are
A. BilabialsB. ConsonantsC. SibilantsD. Nasolabials
124. Which type of Head shape is commonly
seenA. OligocephalyB. DolicocephalyC. Brachy cephalyD. Mesio cephaly
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 11/22
202 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
125. Often IQ of the patient will be
A. IQ – 140 – 170B. IQ – 140 – 170C. IQ – 140 – 170D. IQ – 140 – 170
126. Usually digit sucking habits are outgrownby
A. 6 – 7 yearsB. 3 – 4 yearsC. 1 – 2 yearsD. 11 – 12 years
127. In thumb sucking protraction of the
maxillary teeth is seen whenA. When the pollex is held upward against
the palateB. When the pollex is held downward
against the tongueC. When the pollex is held inward against
the cheekD. None of the above
128. The foremost line of treatment in thispatient is
A. No treatment wait and WatchB. Extraction of first premolars followed by
Hawleys applianceC. Psychiartric consultation prior to anytherapy
D. Extraction of second premolars followed by Hawleys appliance
129. The tongue thrust seen in this case is
A. Retained Infantile swallowB. Simple tongue thrustC. Complex tongue thrustD. Compound tongue thrust
130. An effective state of consciousness inwhich joy, sarrow, fear, hate or the likes
are expressed is termed asA. BehaviorB. EmotionC. ConditionD. Complex
131. A parent asks the dentist, ‘Is the
treatment necessary?’ after initialexamination and explanation abouttreatment required. The behavior ofthe parent is termed as
A. NeglectfulB. ManipulativeC. HostileD. Overprotective
P AND SD
132. The study which proceeds from cause toeffect
A. RetrospectiveB. Case controlC. CohortD. Descriptive
133. The basic tools of measurement inepidemiology are
A. Place person timeB. Determinants, frequency, distribution of
diseaseC. Rate, ratio, proportionD. Agent, host and environment
134. Presenting data to the “man in the street”is by
A. Pie chartB. PictogramC. Bar chartD. Simple Tables
135. The heart of randomized control trial(RCT) is
A. ProtocolB. Follow upC. AssessmentD. Randomization
136. The following term is used to describe theimpact of school based health educationprogrammers on parents
A. Side effectB. Secondary effectC. Ripple effectD. String effect
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 12/22
203COMEDK 2011
C OME D K 2 0 1 1
137. The recognized behavior in a society is
calledA. CustomB. TraditionC. CultureD. Folkways
138. Trace elements presents in drinking waterare reported to be caries protective is
A. SeleniumB. IronC. VanadiumD. Iodine
139. A progressive increase or decrease of adisease over a long period of time,generally several years or decades isknown as
A. Secular trendsB. Cyclic trendsC. Seasonal trendsD. Periodic fluctuations
140. The ratio of rates of occurrence is
A. Attributable riskB. Relative riskC. Occurring risk
D. Distribution risk141. Over jet and overbite of malocclusion is
assessed using WHO survey form 1997with the help of instrument
A. Williams probeB. CPI probeC. Measuring scaleD. Straight probe
142. Examination is carried in individualclinical practice corresponding terms inpublic health practice is
A. DiagnosisB. EvaluationC. Assessment of needD. Appraisal and review
PROSTHODONTICS
143. The technique to produce limited removalof epithelial tissue in the sulcus while achamfer finish line is being created in toothstructure is called
A. Soft tissue modificationB. GingettageC. Gingival displacementD. Electrosurgery
144. For accurate interocclusal records thematerial of choice is
A. 28 gauge casting wax
B. ZOE Bite registration pasteC. Elastomeric bite registration materialD. Base plate wax
145. Hanau H2 articulator has a intercondylardistance of
A. 90 mmB. 100 mmC. 110 mmD. 120 mm
146. The untimate in finish lines that permit anacute margin of metal is
A. Shoulder
B. ChamferC. Knife edgeD. Shoulder with Bevel
147. According to Atwood’s residual ridgeclassification order III denotes
A. High well roundedB. Low well roundedC. Knife edgeD. Depressed
148. The term “Height of contour” is coined by
A. Kennedy
B. McCrackenC. CummerD. De Van
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 13/22
204 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
PERIODONTICS
149. Thickness of basal lamina is
A. 100 to 200 AºB. 200 to 300 AºC. 300 to 400 AºD. 400 to 500 Aº
150. The cell type of periodontium that plays arole in pathogenesis as well as healing is
A. EpithelialB. LangerhansC. FibroblastD. Mast cell
151. The most reliable indicator of gingivalinflammation is
A. Color changeB. Change in the contourC. Change in consistencyD. Bleeding on probing
152. BANA test measures activity of
A. CalculusB. CathepsinC. ElastaseD. Trypsin like enzyme
153. Soluble components of complementsystem account for about
A. 1 -2 mg/ml of total serum proteinB. 3 -4mg/ml of total serum proteinC. 5 -7 mg/ml of total serum proteinD. 7 -8 mg/ml of total serum protein
154. Haversian systems (osteons) are foundprimarily in the
A. Spongy boneB. PeriosteumC. Alveolar bone properD. Endosteum
155. Furcation involvements is best diagnosedby
A. Nabers probeB. Williams probeC. Michigan ‘o’ probeD. Explorer
156. Definitive information regarding the bone
architecture is obtained byA. Periodontal probingB. Radiographic examinationC. Combination of probing & radiographsD. Surgical exposure of the osseous defect
157. Brushite crystal forms of calculus is morecommon in
A. Maxillary anteriorB. Maxillary posteriorC. Mandibular anteriorD. Mandibular posterior
158. These fibers in the lamina propria of thegingiva, help to bind the free gingiva to thetooth
A. AlveologingivalB. CircularC. DentoperiostealD. Dentogingival
159. Transplantation between geneticallydifferent members of the same species istermed as
A. AutograftB. Isograft
C. AllograftD. Xenograft
160. The most likely infection is
A. Necrotizing Ulcerative GingivitisB. Localized Aggressive PeriodontitisC. Acute Herpetic GingivostomatitisD. Desquamative Gingivitis
161. The microbial etiology of this condition is
A. Streptococcus speciesB. FusospirochetesC. Herpes simplex virusD. Actinomyces species
162. This infection is reported to have anincreased incidence in
A. Diabetes mellitusB. HIVC. TuberculosisD. Syphilis
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 14/22
205COMEDK 2011
C OME D K 2 0 1 1
163. Surgical procedure for severe tissue
destruction in such infection isA. Reshaping the gingiva (Gingivoplasty)B. Resection of the gingiva (Gingivectomy)C. Apically displaced flap surgeryD. Coronally displaced flap surgery
CONS AND ENDO
164. The treatment of choice for acuteirreversible pulpits is
A. PulpotomyB. PulpectomyC. Direct pulp capping
D. Indirect pulp capping
165. Which of the following is true also thermaland electrical tests after trauma
A. Sensitivity tests evaluate the nerve andcirculatory condition of the tooth
B. False positive tests are more likely thanfalse negative tests
C. It may take up to nine months fornormal blood flow to return
D. It may take a few hours for normal bloodflow to return
166. The potentially hazardous irrigant causingan emergency during treatment is
A. SalivaB. ChlorhexidineC. Sodium HypochloriteD. Metrogyl
167. In which of the following is one visit rootcanal treatment not advocated
A. Pulp is necrotic and not symptomaticB. Pulp is necrotic and symptomaticC. Pulp is necrotic and there is a draining
sinus tract
D. Pulp is vital and symptomatic168. The tip diameter of a 245 bur used for
conventional amalgam preparation is
A. 2 mmB. 0.8 mmC. 0.4 mmD. 0.3 mm
169. Mode of failure during dislodgement of
prosthesis cemented with zinc polycarboxylate cement is usually seen at the
A. Cement tooth interfaceB. Cement prosthesis interfaceC. Cleavage through the cement layerD. Fracture of tooth or prosthesis
170. In pin retained amalgam restoration,failure is more likely to occur at the
A. Pin restoration interfaceB. Pin dentin interfaceC. Both of the aboveD. Inside of restoration (Restoration
fracture)
171. 90º butt joint for silver amalgampreparation is done because of
A. Fear of marginal failure of amalgamB. Amalgam has poor strength in thin
sectionsC. Amalgam is stronger than tooth
structureD. Amalgam is weaker in compression
172. pH of which cement remains below 7 evenafter 1 month after insertion into the cavity
A. GICB. Zinc phosphateC. Resin cementD. Silicate cement
173. How long does it take for an etched enamelto return to normal conditions
A. 30 daysB. 24 hoursC. 96 hoursD. 1 week
174. Which lasers can be used to cure compositeresins
A. ArgonB. Nd YAGC. Er YAGD. CO2
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 15/22
206 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
ORAL SURGERY
175. Craniofacial dysfunction seen in
A. Lefort III fractureB. Guerrin’s fractureC. High Lefort I fractureD. None of the above
176. A fractured coronoid process of mandibledisplace upwards by the action of one ofthe following muscle
A. BuccinatorsB. Lateral PterygoidC. Mylohyoid
D. Temporalis
177. Among the following pain theories, themost accepted theory is
A. Specificity theoryB. Pattern theoryC. Gate control theoryD. Calcium displacement theory
178. Which of the following fibres are
responsible for conduction of pain impulseA. AlphaB. BetaC. DeltaD. Gamma
179. A male patient had a pin point oro antralcommunication. The treatment is
A. Berger flapB. Palatal flapC. Cald well procedureD. None
180. The most common complication of CSFRhinorrhea is
A. Brain herniationB. BlindnessC. Ascending MeningitisD. Cavernous sinus thrombosis
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 16/22
207COMEDK 2011
C OME D K 2 0 1 1
ANSWERS
ANATOMY
1. Ans: A
Ref: BD Chaurasia, 1/E, p. 339
2. Ans: A
Ref: IB Singh, 8/E, p. 111
3. Ans: A
Ref: BD Chaurasia, 5/E, p. 36
4. Ans: C
Ref: BD Chaursia, 1/E, p. 297
5. Ans: D
Ref: BD Chourasia, 5/E, p. 55
6. Ans: D
Ref: BD. Chaurasia, 5/E, p. 63
PHYSIOLOGY
7. Ans: C
Ref: Guyton, 11/E, p. 61
8. Ans: B
Ref: Guyton, 11/E, p. 95
9. Ans: B
Ref: Guyton, 11/E, p. 68
10. Ans: C
Ref: Guyton, 11/E, p. 1016, 1017
BIOCHEMISTRY
11. Ans: B
Ref: U.Sathyanarayana and U.Chakrapani,3/E, p. 216
12. Ans: B
Ref: U.Sathyanarayana and U.Chakrapani,3/E, p. 186
13. Ans: B
Ref: U.Sathyanarayana and U.Chakrapani,3/E, p. 718
14. Ans: B
Ref: U.Sathyanarayana and U.Chakrapani,3/E, p. 55
Explanation
• Nitrogen conent of the total dietary proteinis 16% 50gms proteins contain 50 × 16/100=8 gms
GENRAL PATHOLOGY
15. Ans: B
Ref: Robbins Pathological Basis of Disease,7/E, p. 737
16. Ans: A
Ref: Robbins Pathological Basis of Disease,7/E, p. 10
17. Ans: D
Ref: Robbins Pathological Basis of Disease,7/E, p. 403
Explanation
• In malignant cerebral malaria caused byP. faliparum, brain vessels are pluggedwith parasitized red cells, each cellcontaining dots of hemozoin pigmentcalled “Malarial or Durck granules” andsmall focal inflammatory reactions arecalled “Malarial or Durck granulomas”
18. Ans: B
Ref: Robbins Pathological Basis of Disease,7/E, p. 53
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 17/22
208 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
MICROBIOLOGY
19. Ans: B
Ref: Ananthanarayan and Panicker’sTextbook of Microbiology, 8/E, p. 260
20. Ans: B
Ref: Ananthanarayan and Panicker’sTextbook of Microbiology, 8/E, p. 316
21. Ans: C
Ref: Ananthanarayan and Panicker’sTextbook of Microbiology, 8/E, p. 362
22. Ans: A
Ref: Ananthanarayan and Panicker’sTextbook of Microbiology, 8/E, p. 267
23. Ans: A
Ref: Ananthanarayan and Panicker’sTextbook of Microbiology, 8/E, p. 163
PHARMACOLOGY
24. Ans: A
Ref: KD Tripathi, 6/E, p. 837
25. Ans: B
Ref: KD Tripathi, 6/E, p. 742
26. Ans: B
Ref: KD Tripathi, 6/E, p. 722
27. Ans: B
Ref: KD Tripathi, 6/E, p. 582
28. Ans: C
Ref: KD Tripathi, 6/E, p. 514
29. Ans: D
Ref: KD Tripathi, 6/E, p. 778
30. Ans: D
Ref: KD Tripathi, 6/E, p. 442 Table
31. Ans: D
Ref: KD Tripathi, 6/E, p. 206
32. Ans: C
Ref: KD Tripathi, 6/E, p. 356
GENERAL MEDICINE
33. Ans: D
Ref: Davidson, 21/E, p. 877
34. Ans: C
Ref: Harrison, 17/E, Vol - 01, p. 1146
35. Ans: A
Ref: Davidson,21/E, p. 863 T
36. Ans: B
Ref: Davidson, 21/E, p. 612
37. Ans: B
Ref: Davidson, 21/E, p. 947 Table
38. Ans: C
Ref: Harrison, 17/E, p. 1215
39. Ans: ARef: Davidson, 21/E, p. 568
40. Ans: C
Ref: Harrison, 17/E, Vol I, p. 446
41. Ans: C
Ref: Harrison, 17/E, Vol I, p. 249
42. Ans: A
Ref: Harrison,17/E, Vol II, p. 1458
43. Ans: B
Ref: Harrison, 17/E, Vol II, p. 1458
44. Ans: C
Ref: Harrison, 17/E, Vol I, p. 1242
45. Ans: D
Ref: Harrison, 17/E, Vol I, p. 1255
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 18/22
209COMEDK 2011
C OME D K 2 0 1 1
46. Ans: B
Ref: Harrison, Vol. I, 17/E, p. 641
47. Ans: A
Ref: Harrison, 17/E, Vol I, p. 1491
GENERAL SURGERY
48. Ans: C
Ref: Bailey & Love, 25/E, p. 757
49. Ans: A
Ref: Bailey & love, 25/E, p. 596
50. Ans: B
Ref: Bailey & Love, 25/E, p. 797
DENTAL MATERIALS
51. Ans: A
Ref: Phillip’s, 11/E, p. 278
52. Ans: C
Ref: Phillip’s, 11/E, p. 550
53. Ans: A
Ref: Phillip’s, 11/E, p. 336
54. Ans: B
Ref: Phillip’s, 11/E, p. 289
55. Ans: B
Ref: Manappalli’s Basic Dental Materials,2/E, p. 93
56. Ans: D
Ref: Phillip’s, 11/E, p. 273
57. Ans: A
Ref: Phillip’s, 11/E, p. 465
58. Ans: A
Ref: Phillip’s, 11/E, p. 563
DADH
59. Ans: C
Ref: Berkovitz, 4/E, p. 66
60. Ans: A
Ref: Wheeler’s, 9/E, p. 257
61. Ans: A
Ref: Berkovitz, 4/E, p. 258
62. Ans: B
Ref: Orban’s, 12/E, p. 290
63. Ans: C
Ref: Berkovitz, 4/E, p. 113
64. Ans: D
Ref: Berkovitz, 4/E, p. 361
65. Ans: B
Ref: Orban’s, 12/E, p. 22
ORAL PATHOLOGY AND
ORAL MEDICINE
66. Ans: CRef: Shafer, 6/E, p. 365
67. Ans: B
Ref: Shafer’s, 6/E, p. 834, 835
68. Ans: B
Ref: Shafer’s, 6/E, p. 617
69. Ans: B
Ref: Shafer’s, 6/E, p. 509
70. Ans: D
Ref: Shafer’s, 6/E, p. 601
71. Ans: C
Ref: Shafer’s, 6/E, p. 262
72. Ans: B
Ref: Shafer’s, 6/E, p. 669
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 19/22
210 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
73. Ans: D
Ref: Shafer’s, 6/E, p. 830
74. Ans: C
Ref: Shafer, 6/E, p. 787
75. Ans: B
Ref: Shafer, 6/E, p. 48, Neville, 3/E, p. 81
76. Ans: B
Ref: Shafer, 6/E, p. 86
77. Ans: B
Ref: Shafer, 6/E, p. 84878. Ans: C
Ref: Neville, 3/E, p. 685
79. Ans: C
Ref: Shafer, 6/E, p. 821
80. Ans: A
Ref: Shafer, 6/E, p. 47
81. Ans: B
Ref: Shafer, 6/E, p. 47
82. Ans: A
Ref: Shafer, 6/E, p. 47
83. Ans: A
Ref: Neville, 3/E, p. 105
84. Ans: D
Ref: Shafer, 6/E, p. 365
85. Ans: A
Ref: Shafer, 6/E. 800
86. Ans: BRef: Shafer, 6/E, p. 260
87. Ans: D
Ref: Neville, 3/E, p. 685
88. Ans: B
Ref: Neville, 3/E, p. 686
89. Ans: C
Ref: Neville, 3/E, p. 686
90. Ans: C
Ref: Shafer, 6/E, p. 312
91. Ans: C
Ref: Shafer, 6/E, p. 232
92. Ans: D
Ref: Burkit, 11/E, p. 27993. Ans: A
Ref: Burkit, 11/E. 79
94. Ans: B
Ref: Burkit, 11/E. 91
95. Ans: D
Ref: Burkit, 11/E. 90
96. Ans: A
Ref: Neville, 2/E, p. 351
97. Ans: D
Ref: Text Book of Oral Medicine, Ongole andPraveen, 1/E, p. 178
ORAL RADIOLOGY
98. Ans: A
Ref: White & Pharoah, 6/E, p. 78
99. Ans: A
Ref: White & Pharoah, 6/E, p. 19
100. Ans: C
Ref: White & Pharoah, 6/E, p. 61
101. Ans: B
Ref: White & Pharoah, 6/E, p. 152
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 20/22
211COMEDK 2011
C OME D K 2 0 1 1
102. Ans: C
Ref: White & Pharoah, 6/E, p. 22T
103. Ans: B
Ref: White & Pharoah, 6/E, p. 492
104. Ans: C
Ref: White & Pharoah, 6/E, p. 57
105. Ans: B
Ref: White & Pharoah, 6/E, p. 273
ORTHODONTICS
106. Ans: A
Ref: Proffit, 4/E, p. 115
107. Ans: D
Ref: Bhalaji, 3/E, p. 325
108. Ans: B
Ref: Gurkeerat Singh, 2/E, p. 502, 504
109. Ans: D
Ref: Sameer. C. Bishala Text book of Orthdontics, p. 50
110. Ans: A
Ref: Profitt, 4/E, p. 498
111. Ans: D
Ref: Precision Attachments in Prostho-dontics, Harold . W . Prieskel, Vol. 2, p. 160
112. Ans: D
Ref: Bhalaji, 3/E, p. 454
Explanation
• Circumferential supracrestal Fibrotomy isalso known as “Pericision”
PEDODONTICS
113. Ans: A
Ref: Mc Donald, 9/E, p.540
114. Ans: B
Ref: Mc Donald, 9/E, p.178
115. Ans: B
Ref: Shoba Tandon, 1/E, p. 448
116. Ans: A
Ref: Mc Donald, 9/E, p. 200
117. Ans: C
Ref: Shobha Tandon, 2/E, p. 400
118. Ans: C
Ref: Shobha Tandon, 2/E, p. 186
119. Ans: C
Ref: Shobha Tandon, 2/E, p. 474120. Ans: C
Ref: Mc Donald, 8/E, p. 53
121. Ans: B
Ref: Mc Donald, 8/E, p. 401
122. Ans: C
Ref: Shobha Tandon, 2/E, p. 150
123. Ans: A
Ref: Shobha Tandon, 2/E, p. 65
124. Ans: C
Ref: Shobha Tandon, 2/E, p. 633
125. Ans: D
Ref: Shobha Tandon, 2/E, p. 633
126. Ans: B
Ref: Shobha Tandon, 2/E, p. 494 – 495
127. Ans: A
Ref: Shobha Tandon, 2/E, p. 499
128. Ans: CRef: Shobha Tandon, 2/E, p. 501
129. Ans: B
Ref: Shobha Tandon, 2/E, p. 493 – 494
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 21/22
212 COMEDK Previous Years Solved Papers
C O M E D K 2 0 1 1
130. Ans: B
Ref: Shobha Tandon , 2/E, p. 21
131. Ans: C
Ref: Pinkham, 4/E, p. 282
P AND SD
132. Ans: C
Ref: Soben Peter, 3/E, p.104
133. Ans: C
Ref: Soben Peter, 4/E, p. 44
134. Ans: B
Ref: Park, 20/E, p. 749
135. Ans: D
Ref: Soben Peter, 3/E, p. 112
136. Ans: C
Ref: Community Dental Health, Anthony Jong, 4/E, p.191
Explanation
• The terms like spread effect and ripple
effect are used to describe the impact of school based health programmes onparents
137. Ans: D
Ref: Soben Peter, 3/E, p. 655
138. Ans: C
Ref: Joseph John, 1/E, p. 43
139. Ans: A
Ref: Park, 20/0E, p. 62
140. Ans: B
Ref: Park, 20/E, p. 74
141. Ans: B
Ref: Soben Peter, 3/E, p.589
142. Ans: C
Ref: Soben Peter, 3/E, p. 16
PROSTHODONTICS
143. Ans: B
Ref: Nallaswamy, 1/E, p. 627
Explanation
• Gingettage is also known as RotaryCurettage
144. Ans: C
Ref: Mc Cracken, 11/E, p. 308
145. Ans: C
Ref: Boucher, 9/E, p. 313
146. Ans: C
Ref: Rosensteil, 4/E, p. 220
147. Ans: A
Ref: John Manappallil, 1/E, p. 12
148. Ans: A
Ref: Mc Cracken, 11/E, p. 84
PERIODONTICS
149. Ans: C
Ref: Carranza, 10/E, p. 52
150. Ans: C
Ref: Carranza, 10/E, p. 58
151. Ans: D
Ref: Carranza, 10/E, p. 364
152. Ans: D
Ref: Carranza, 10/E, p. 591
153. Ans: B
Ref: Carranza, 10/E, p. 215154. Ans: C
Ref: Carranza, 10/E, p. 79
155. Ans: A
Ref: Carranza, 10/E, p. 163
7/30/2019 comedk dental
http://slidepdf.com/reader/full/comedk-dental 22/22
213COMEDK 2011
C OME D K 2 0 1 1
156. Ans: D
Ref: Carranza, 10/E, p. 950
157. Ans: C
Ref: Carranza, 10/E, p. 172
158. Ans: B
Ref: Carranza, 10/E, p. 498
159. Ans: C
Ref: Carraza, 10/E, p. 1135
160. Ans: A
Ref: Carranza, 10/E, p. 391161. Ans: B
Ref: Carranza, 10/E, p. 396
162. Ans: B
Ref: Carranza, 10/E, p. 396
163. Ans: A
Ref: Carranza, 10/E, p. 709
CONS AND ENDO
164. Ans: BRef: Ingle, 6/E, p. 617
165. Ans: C
Ref: Grossman, 12/E, p. 362
166. Ans: C
Ref: Grossman, 12/E, p. 268
167. Ans: C
Ref: Ingle, 6/E, p. 23
168. Ans: B
Ref: Sturdevant, 5/E, p. 713
169. Ans: B
Ref: Sturdevant, 11/E, p. 471
170. Ans: B
Ref: Sturdevant, 5/E, p. 828
171. Ans: B
Ref: Sturdevant, 5/E, p. 720
172. Ans: D
Ref: Sturdevant, 5/E, p. 498
173. Ans: C
Ref: Current Therapy in Dentistry, Vol. 7, p.160
174. Ans: A
Ref: Sturdevant, 5/E, p. 505
ORAL SURGERY
175. Ans: A
Ref: Neelima Malik, 2/E, p.357
176. Ans: D
Ref: Killy’s, 4/E, p. 14
177. Ans: C
Ref: Monheim’s, 7/E, p. 5
178. Ans: C
Ref: Monheim’s, 7/E, p. 6
179. Ans: D
Ref: Neelima Malik, 2/E, p. 574, 575
180. Ans: C
Ref: Killey’s, 5/E, p. 27
top related